package exception;

public class FinallyDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了");

        try {
            String str = null;
            System.out.println(str.length());
            return;
        } catch (NullPointerException e) {
            System.out.println("空指针异常");;
        } finally {
            System.out.println("finally中的代码执行了");
        }

        /*try {
            String str = null;
            System.out.println(str.length());
        }catch (Exception e ){
            System.out.println("空指针异常");
        }finally {
            System.out.println("finally中的代码执行了");
        }
        System.out.println("程序结束了");*/
    }
}
